#include<stdio.h>
typedef unsigned char *byte_pointer;
void show_bytes(byte_pointer start, size_t len){
size_t i;
for(i=0;i<len;i++)
printf("%.2x",start[i]);
printf("\n");
}

void show_int(int x){
show_bytes((byte_pointer) &x,sizeof(int));
}

void show_float(float x){
show_bytes((byte_pointer) &x,sizeof(float));
}

void show_pointer(void *x){
show_bytes((byte_pointer) &x,sizeof(void *));
}

void main()
{
int val;
printf("input val:");
scanf("%d",&val);
int ival=val;
float fval=(float) ival;
int *pval=&ival;
show_int(ival);
show_float(fval);
show_pointer(pval);
}

